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- Title
MeV PROTON SOURCES FOR PLASMA DYNAMICS INVESTIGATIONS ON PS TIMESCALES.
- Authors
BORGHESI, M.; KAR, S.; ROMAGNANI, L.; CECCHETTI, C. A.; ANTICI, PATRIZIO; AUDEBERT, PATRICK; FUCHS, JULIEN; JUNG, R.; OSTERHOLZ, J.; TONCIAN, T.; WILLI, O.; GALIMBERTI, M.; GIZZI, L. A.; CECCHERINI, F.; LISEYKINA, T. V.; MACCHI, A.; GRISMAYER, T.; MORA, P.; SCHIAVI, A.
- Abstract
The interaction of high-intensity laser pulses with matter releases instantaneously ultra-large currents of highly energetic electrons, leading to the generation of highly-transient, large-amplitude electric and magnetic fields. We report results of recent experiment in which such phenomena have been studied by using proton probing techniques able to provide maps of the electrostatic fields with high spatial and temporal resolution. The dynamics of ponderomotive channelling in underdense plasmas have been studied with this technique, as also the process of Debye sheath formation and MeV ion front expansion at the rear of laser-irradiated thin metallic foils.
- Subjects
PLASMA dynamics; PLASMA gases; LASER beams; PARTICLES (Nuclear physics); CHANNELING (Physics); PHYSICS
- Publication
International Journal of Modern Physics B: Condensed Matter Physics; Statistical Physics; Applied Physics, 2007, Vol 21, Issue 3/4, p300
- ISSN
0217-9792
- Publication type
Article
- DOI
10.1142/S0217979207042070